5Weir, Anthony. "County Cavan - Selected Monuments." Gazetteer of Irish Prehistoric Monuments. Web. 02 Apr. 2013. <http://www.irishmegaliths.org.uk/cavan.htm>.
The author notes the masonry-formed doorway, and writes, "This is reminiscent of the tombs of the French Causses which have been made into shepherd-huts."